The WLR-G10D561KHG8APCB3.1-H is a varistor manufactured by Tyoohm. This through-hole component has RoHS compliant and is designed for quick implementation in standard printed circuit boards. The device provides reliable overvoltage protection with a high 8 V surge rating, and features military spec hardness, as well as abrasion and moisture resistance. The component offers low leakage current, low capacitance, and fast response time. The component also has high current handling ability, and the low effective capacitance offers high frequency transient protection. The device is housed in the industry's standard package, which reduces installation time and cost. The device is ideal for use in high-efficiency power supplies, telecommunications, and consumer electronics.